We're sorry to see you go. Is there a reason you're thinking of leaving that we could maybe help you with? We're always looking to get feedback to help keep our members happy and engaged.
However, if you just want to delete your profile, login to the website then click on "gear" symbol at the top right of the page to reach your "My account" section. From there, click "Settings" > "Delete My Account".
From the app click on "More" then "My Profile" then "Delete Account".
If you have a recurring Premium subscription make sure you cancel your subscription, then contact us to finalize the removal of your account.
Have a great day,
The Grokio Team